![Bis(1,2,2,6,6-Pentamethyl-4-Piperidyl)-[[3,5-Bis(1,1-Dimethylethyl)-4-Hydroxyphenyl]Methyl]Butylmalonate.jpg](https://ecdn6-nc.globalso.com/upload/p/5504/image_other/2026-01/bis-1-2-2-6-6-pentamethyl-4-piperidyl-3-5-bis-1-1-dimethylethyl-4-hydroxyphenyl-methyl-butylmalonate.jpg)
China LS144 Suppliers - Factory Direct White to Slightly Yellow Powder (CAS 63843-89-0)
Product Description
| Chemical Name | Bis(1,2,2,6,6-pentamethyl-4-piperidyl) [[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]butylmalonate | ||
| CAS Number | 63843-89-0 | ||
| Molecular Structure |
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| Product Form | White to slightly yellow powder | ||
| Specifications | TEST | SPECIFICATION | |
| Melting Point (℃) | 146.0 – 150.0 | ||
| Solubility (g/100 g solution) at 20 °C | |||
| Butylcarbitol | 1.5 | ||
| Butanol | 2.5 | ||
| Butyl Acetate | 10 | ||
| Ethylglycol | 1.5 | ||
| 1-Methoxypropylacetate | 1 | ||
| Methylethylketone | 9 | ||
| Solvesso 100 ¹ | 10 | ||
| Solvesso 150 ¹ | 5 | ||
| Xylene | 10 | ||
| Water | ＜0.01 | ||
| Application |
Yihoo LS144 is a high-performance multifunctional additive integrating hindered amine light stabilizer (HALS) and sterically hindered phenolic antioxidant groups. It can maximally mitigate common coating defects including cracking and gloss reduction, thereby effectively extending the service life of coated films.
Yihoo LS144 is recommended for a wide range of high-performance coating systems, specifically automotive coatings, coil coatings, and powder coatings. When compounded with ultraviolet absorbers, its performance is significantly boosted. Such synergistic combinations can provide exceptional protective effects for automotive coatings, effectively resisting a series of degradation issues including gloss reduction, cracking, blistering, peeling, and discoloration. |
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| Package | / | ||
Frequently Asked Questions
Q
What is Yihoo LS144 and what is its CAS number?
Yihoo LS144 is the trade name for Bis(1,2,2,6,6-pentamethyl-4-piperidyl) [[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]butylmalonate, a high-performance multifunctional light stabilizer and antioxidant additive. Its CAS number is 63843-89-0.
Q
What makes Yihoo LS144 a multifunctional additive?
Yihoo LS144 uniquely combines both a hindered amine light stabilizer (HALS) function and a sterically hindered phenolic antioxidant group within a single molecule. This dual functionality allows it to address both light-induced and oxidative degradation simultaneously, providing broader protection for coating systems.
Q
Which coating systems is Yihoo LS144 recommended for?
Yihoo LS144 is recommended for a wide range of high-performance coating systems, with particular suitability for automotive coatings, coil coatings, and powder coatings. It is especially effective in applications where long-term durability and resistance to weathering are critical requirements.
Q
Can Yihoo LS144 be combined with UV absorbers?
Yes. When Yihoo LS144 is compounded with ultraviolet (UV) absorbers, its performance is significantly enhanced through a synergistic effect. Such combinations deliver exceptional protective performance for automotive coatings, effectively combating gloss reduction, cracking, blistering, peeling, and discoloration.
Q
What is the melting point and physical form of Yihoo LS144?
Yihoo LS144 appears as a white to slightly yellow powder with a melting point range of 146.0 – 150.0 °C. Its solid powder form makes it easy to handle and incorporate into various coating formulations.
Q
What are the solubility characteristics of Yihoo LS144 in common solvents?
Yihoo LS144 shows good solubility in several common industrial solvents at 20 °C. It dissolves well in butyl acetate, methylethylketone, Solvesso 100, and xylene (all at 10 g/100 g solution), and has moderate solubility in butanol (2.5) and Solvesso 150 (5). Its solubility in water is very low (＜0.01), making it suitable for solvent-borne coating systems.